13838499 has 8 divisors (see below), whose sum is σ = 20501520. Its totient is φ = 9225648.

The previous prime is 13838491. The next prime is 13838501. The reversal of 13838499 is 99483831.

It is not a de Polignac number, because 13838499 - 2³ = 13838491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13838491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 256242 + ... + 256295.

It is an arithmetic number, because the mean of its divisors is an integer number (2562690).

Almost surely, 2^13838499 is an apocalyptic number.

13838499 is a deficient number, since it is larger than the sum of its proper divisors (6663021).

13838499 is an equidigital number, since it uses as much as digits as its factorization.

13838499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512546 (or 512540 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 13838499 is about 3720.0133064278. The cubic root of 13838499 is about 240.0838769327.

The spelling of 13838499 in words is "thirteen million, eight hundred thirty-eight thousand, four hundred ninety-nine".